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Individual Calculations August 2022 |
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| Chen, Alan Zishun Total change: 87.60 | |   |
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| 2022 World Open Amateur | Philadelphia, Pennsylvania | USA | 2022-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1682 | 1513 | 3.00 | 6 | 1.20 | 40 | 48.00 | |
|  Huddleston, James | | | 1571 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Ahuja, Bhavik | | | 1907 | IND | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wilson, Dwayne Everett | | | 1819 | USA | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Brereton, Justin | | | 1686 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Wang, Tianna | | | 1499 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Jing, Andrew | | | 1608 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 50th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2022-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1505 | 1513 | 3.50 | 5 | 0.99 | 40 | 39.60 | |
| | Ji, Y Luke | | | 1384 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Yang, Lefan | | | 1262 | CAN | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Porcelli, Michael W | | | 1678 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Chen, Yiming | | | 1636 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Rathi, Yash Vardhan | | | 1567 | IND | 0.00 | 1 | -0.42 | 40 | -16.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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